↑ 1.01.1Nielsen, J.G., D.M. Cohen, D.F. Markle and C.R. Robins (1999) FAO Species Catalogue. Vol. 18. Ophidiiform fishes of the world (Order Ophidiiformes). An annotated and illustrated catalogue of pearlfishes, cusk-eels, brotulas and other ophidiiform fishes known to date., FAO Fish. Synop. 125(18):178p. Rome: FAO.